Answer:
amino acids
Explanation:
one of the bases or examples of proteins
The correct answer is that "t<span>roponin holds the tropomyosin in place on the actin".
In excitation-contraction coupling, tropomyosin prevents the interaction between actin and myosin in resting muscles. In the event of excitation, there is release of calcium from the sarcoplasmic reticulum wherein the troponin will bind this calcium and will release tropomyosin and expose myosin enabling it to attach to actin and therefore facilitating muscle contraction.</span>
Answer:
B. Getting energy from sunshine.
Explanation:
having sunshine is very important because it is good for you and your body.
one time I was sick and I stayed inside all the time and my parents made me go outside because of fresh air and the sun, and I felt better the next day, I could actually get up and do something.
ATP provides CHEMICAL ENERGY to drive chemical reactions for the cell.
